Vehicle rear bumper



FIG. 1 is a perspective view of a rear bumper in accordance with an embodiment of the present invention;

FIG. 2 is a front view of the rear bumper shown in FIG. 1;

FIG. 3 is a side view of the rear bumper shown in FIG. 1; and,

FIG. 4 is a top view of the rear bumper of FIG. 1.

The bottom and rear views of the rear bumper are not part of the claimed design. The sides of the rear bumper are mirror images of one another. The broken lines illustrate the environment of the design and are not part of the claimed design. 

The ornamental design for a rear bumper, as shown and described. 